XIU 



Page 

 Pycraft, William Plane, F.Z.S., A.L.S., of the British 

 Museum (Natural History). 



Contributions to the Osteology of Birds. — Part IX. 

 Tyranni ; Hirundines ; Muscicapce., Lanii, and Gymno- 

 rhines 352 



Rothschild, The Hon. L. Walter, M.P., D.Sc, Ph.D., 

 F.Z.S. 



Exhibition of a mounted specimen of a Gorilla 237 



Descriptions of a new Species and two new Subspecies 

 of Antelopes and a new Sheep . 237 



RoussELET, Charles F., F.R.M.S. 



Zoological Results of the Third Tanganyika Expedition, 

 conducted by Dr. W. A. Ounnington, 1904-1905, — Report 

 on the Polyzoa. (Plates XIY. & XV.) 250 



Sambon, L. W., M.D., F.Z.S. 



Descriptions of some New Species of Animal Parasites. 282 



Sambon, L. W., M.D., F.Z.S., and Seligmann, C. G., M.D., 

 F.Z.S., Pathologist to the Society. 



Descriptions of five New Species of Hsemogregarines 

 from Snakes 283 



ScHERREN, Henry, F.Z.S. 



Some Notes on Hybrid Bears 431 



